AT45D081 ATMEL Corporation, AT45D081 Datasheet - Page 12

• Manufacturer Part Number: AT45D081
• Description: 8-Megabit 5-volt Only Serial DataFlash
• Manufacturer: ATMEL Corporation

12
Main Memory
Page Read
X (64th bit)
PA11
PA10
52H
BA8
BA7
BA6
BA5
BA4
BA3
BA2
BA1
BA0
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
0
1
0
1
0
0
1
0
r
r
r
•
•
•
Buffer 1
Read
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
54H
0
1
0
1
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
AT45D081
Buffer 2
Read
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
56H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
1
0
Page to Buffer 1
Main Memory
Transfer
PA11
PA10
53H
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
0
1
0
1
0
0
1
1
r
r
r
Page to Buffer 2
Main Memory
Transfer
Table 1
Opcode
PA11
PA10
55H
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
r
r
r
Page to Buffer 1
Main Memory
Compare
PA11
PA10
60H
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
0
1
1
0
0
0
0
0
X
X
X
X
X
X
X
X
X
r
r
r
Page to Buffer 2
Main Memory
Compare
PA11
PA10
61H
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
0
1
1
0
0
0
0
1
r
r
r
Buffer 1
Write
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
84H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
0
0
0
0
1
0
0
r (reserved bits)
X (Don’t Care)
Buffer 2
Write
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
87H
1
0
0
0
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X